Maxon 297080-11 User manual

LIFT CORPORATION Sht. 1 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
INSTRUCTION, BMR AUXILIARY CONTROL
GRAVITY DOWN CONTROL KIT, P/N 297080-11
POWER DOWN CONTROL KIT, P/N 297080-12
ELECTRICAL CONTROL TEE
P/N 296898-01
QTY. 1
ANGLE, 2” X 2” X 1/8” X 20” LG
P/N 263299
QTY. 1
CAP SCREW
1/4”-20 X 1” LG, GRADE 8
P/N 900004-3
QTY. 4
HEX CAP SCREW
3/8”-16 X 1” LG, GRADE 8
P/N 900014-4
QTY. 2
LOCK NUT, 1/4”-20
P/N 901000
QTY. 8
LOCK NUT, 3/8”-16
P/N 901002
QTY. 2
FLAT WASHER, 3/8”
P/N 902001-2
QTY. 4
WASHER, 1/4”
P/N 903438-01
QTY. 8
PLASTIC ENCLOSURE WITH
GRAVITY DOWN CONTROL (-11 KIT) OR
POWER DOWN CONTROL (-12 KIT)
QTY. 1
ANGLE PLATE
P/N 263264-01
QTY. 1

LIFT CORPORATION Sht. 2 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
ENCLOSURE ASSEMBLY WITH
GRAVITY DOWN CONTROL (-11 KIT)
ENCLOSURE ASSEMBLY WITH
POWER DOWN CONTROL (-12 KIT)
SWITCH ASSEMBLY
(P/N 296150-02)
POWER DOWN
BUTTON
SOCKET SCREW,
1/4”-20 X 1” LG.
(2 PLACES)
(P/N 900025-1)
GROMMET
(P/N 289848-01)
PLASTIC ENCLOSURE
(P/N 297210-01) SWITCH MOUNTING
BRACKET (2 PLACES)
(P/N 297374-01)
BUTTON SCREW,
1/4”-20 X 3/4” LG.
(4 PLACES)
(P/N 900005-3)
&
FLAT WASHER, 1/4”
(8 PLACES)
(P/N 902000-2)
&
LOCK NUT, 1/4”-20
(4 PLACES)
(P/N 901000)
SWITCH ASSEMBLY
(P/N 296150-01)
SOCKET SCREW,
1/4”-20 X 1” LG.
(2 PLACES)
(P/N 900025-1)
GROMMET
(P/N 289848-01)
PLASTIC ENCLOSURE
(P/N 297210-01) SWITCH MOUNTING
BRACKET (2 PLACES)
(P/N 297374-01)
BUTTON SCREW,
1/4”-20 X 3/4” LG.
(4 PLACES)
(P/N 900005-3)
&
FLAT WASHER, 1/4”
(8 PLACES)
(P/N 902000-2)
&
LOCK NUT, 1/4”-20
(4 PLACES)
(P/N 901000)

LIFT CORPORATION Sht. 3 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
WIRING HARNESS LOCKING RING CONNECTORS
Before connecting, ensure connectors are clean inside. Ensure there is a thin
coating of dielectric grease on face of receptacle, and there is no dielectric
grease on connector contacts.
CAUTION
Refer to illustrations below for disconnecting,
checking for dielectric grease, and reconnecting
locking ring style connectors.
ALIGN & CONNECT
FIG. 3-5
TURN LOCKING
RING TO UNLOCK
FIG. 3-1
ALIGN TAB &
SLOT
PULL CONNECTOR
TO DISCONNECT
FIG. 3-3
TIGHTEN TO LOCK
FIG. 3-6
PULL LOCKING RING
TO DISENGAGE
FIG. 3-2
DIELECTRIC GREASE
ON RECEPTACLE
FIG. 3-4
LOCKING
RING
THIN COAT OF DIELECTRIC GREASE
ON SHADED AREA

LIFT CORPORATION Sht. 4 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
VIEW OF VEHICLE BODY & RH COLUMN
FIG. 4-1
1/8”
2 WELDS MIN,
MORE IF POSSIBLE
1. Measure and mark 10” from the RH
column and 2” in from the edge of
the vehicle. Then position the angle
(Kit item) to crossmembers of vehicle
body (FIG. 4-1).
`
Recommended practices for welding on steel parts are contained in the current AWS
(American Welding Society) D1.1 Structural Welding Code - Steel. Damage to Liftgate
and/or vehicle, and personal injury can result from welds that are done incorrectly.
WARNING
!
2. Weld the angle to the truck/trailer crossmembers
(FIG. 4-1).
3. Bolt the angle plate (Kit item) to angle
(FIG. 4-2).
CROSSMEMBER
RH COLUMN
HEX CAP SCREW, 3/8”-16
(2 PLACES)
FLAT WASHER, 3/8”
(2 PLACES)
LOCK NUT, 3/8”-16
(2 PLACES)
ANGLE PLATE
BOLTING ANGLE PLATE TO ANGLE (RH COLUMN SHOWN)
FIG. 4-2
10”
2”
2”X2” ANGLE
2”X2” ANGLE

LIFT CORPORATION Sht. 5 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
CAUTION
Allow welds to cool before attaching plastic enclosure.
4. Bolt the plastic enclosure (Kit item) to
the angle plate (FIG. 5-1).
LOCK NUT, 1/4”-20
(4 PLACES)
CAP SCREW, 1/4”-20
(4 PLACES)
FLAT WASHER, 1/4”
(8 PLACES)
PLASTIC
ENCLOSURE
BOLTING ENCLOSURE TO ANGLE PLATE
FIG. 5-1
5. Turn OFF the master disconnect switch at the pump
box to disconnect battery power from the hydraulic
pumps. Refer to BMR Operation Manual for detailed
instructions.
ANGLE
PLATE
`
To prevent accidental personal injury and equipment damage, make sure power is
disconnected from Liftgate while installing parts.
WARNING
!

LIFT CORPORATION Sht. 6 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
7. Disconnect interconnect harness from control switch
cable on the RH column (FIG. 6-1). Then, connect
tee to control switch cable in the RH column and
interconnect harness (FIG. 6-1).
PLASTIC
ENCLOSURE
CONTROL
SWITCH
CABLE
TEE
CONNECTING CABLES TO CONTROL TEE
FIG. 6-1
8. Connect tee to the control switch cable connector
extending from plastic enclosure (FIG. 6-1).
AUXILIARY SWITCH
ASSEMBLY
RH COLUMN
6. Route the tee (Kit item) to the
RH column (FIG. 6-1).
9. Reconnect battery power to the
hydraulic pumps by turning ON the
master disconnect switch at the
pump box. Refer to BMR Operation
Manual for detailed instructions.
LOCKING RING
CONNECTORS
INTERCONNECT
HARNESS
LOCKING RING
CONNECTORS
NOTE: Refer to Sheet 3 for important information
about locking ring electrical connectors.
PUMP ASSEMBLY
(REF)
CONTROL
SWITCH CABLE

LIFT CORPORATION Sht. 7 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
NOTE: Use the auxiliary control to check opera-
tion of the Liftgate.
AUXILIARY CONTROL SWITCH
(GRAVITY DOWN SHOWN)
FIG. 7-1
DOWN
UNFOLDING PLATFORM
FIG. 7-2A
COLUMN
DECAL RUNNER
ARROW
UNFOLD
1
2
FIG. 7-2B
AUXILARY CONTROL
FIG. 7-2C
10. Push column UP/DOWN toggle switch to DOWN
position (FIG. 7-1) to lower platform (FIG. 7-2A)
until yellow runner arrow and column decal are
aligned (FIG. 7-2B). Platform will be released from
the locking wedges on the Liftgate column. Next,
use auxiliary control switches 1and 2to UNFOLD
platform (FIG. 7-2C). Hold both toggle switches
until platform reaches the unfolded (horizontal)
position and then release the switches.

LIFT CORPORATION Sht. 8 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
11. To LOWER platform to the ground,
use auxiliary control switch as shown
in FIG. 8-1. Release toggle switch
when platform reaches the ground.
DOWN
LOWERING PLATFORM TO GROUND
USING AUXILIARY CONTROL SWITCH
FIG. 8-1
12. To RAISE platform, use auxiliary
control switch as shown in FIG. 8-2.
Release switch when platform reaches
bed height.
RAISING PLATFORM
USING AUXILIARY CONTROL SWITCH
FIG. 8-2
UP

LIFT CORPORATION Sht. 9 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
STOWING PLATFORM
USING AUXILIARY CONTROL SWITCH
FIG. 9-1A
UP
RUNNER
ARROW
FIG. 9-1B
14. Hold both street side control
switches 1and 2to FOLD
platform (FIG. 9-2).
FOLDING PLATFORM
USING AUXILIARY CONTROL SWITCH
FIG. 9-2
FOLD
1
2
13. To stow platform, push toggle switch to
DOWN position (FIG. 9-1A) to lower plat-
form until yellow runner arrow and column
decal are aligned (FIG. 9-1B).
COLUMN
DECAL

LIFT CORPORATION Sht. 10 of 10 DSG# M-16-05 Rev. ADate: 01/16/17
© MAXON Lift Corp. 2017
OPENER
ARM
ROUND
WEDGE UPPER
LOCKING
WEDGE
UPPER LOCKING WEDGE
ENGAGED
FIG. 10-1B
UP
PLATFORM STOWED IN
UPPER LOCKED POSITION
FIG. 10-1A
15. Use auxiliary control switch to raise (UP) platform to
upperlockingpositionas follows(FIG. 10-1A).Raise
platform until round wedge on each opener arm is
behind the upper locking wedge on each column
(FIG. 10-1B).
`WARNING
!
Upper locking wedges must be engaged before moving vehicle.